Lagoon Valley County Park
Key Takeaway
Lagoon Valley County Park is classified as low hazard in California. It was completed in 1981 and is 45 years old. Its primary use is water supply.
Physical Details
| Dam Height | 13 ft (taller than 5.6% in CA) |
| Dam Length | 5,200 ft |
| Dam Type | Earth |
| Max Storage | 780 acre-ft |
| Surface Area | 105 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 1981 (45 years old) |
| NID ID | CA01315 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of Vacaville
Local Government
Nearby Dams
Encinosa Basin North
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High Hazard 45 ftMorgan
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High Hazard 14 ftHestan Vineyards Dam
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High Hazard 21 ftGiles
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High Hazard 18 ftLake Curry
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High Hazard 107 ftFrequently Asked Questions
What is the hazard classification of Lagoon Valley County Park?
Lagoon Valley County Park is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lagoon Valley County Park?
Lagoon Valley County Park is owned by City of Vacaville (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lagoon Valley County Park built?
Lagoon Valley County Park was completed in 1981, making it 45 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Lagoon Valley County Park?
Lagoon Valley County Park serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lagoon Valley County Park?
Lagoon Valley County Park has a dam height of 13 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Lagoon Valley County Park last inspected?
Lagoon Valley County Park was last inspected on February 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.